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#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where pid='43628' and iffb='1') called at [D:\freehost\hzhfmfyz\web\includes\db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where pid='43628' and iffb='1') called at [D:\freehost\hzhfmfyz\web\comment\module\CommentContent.php:65] #2 CommentContent() called at [D:\freehost\hzhfmfyz\web\includes\common.inc.php:518] #3 printpage() called at [D:\freehost\hzhfmfyz\web\comment\html\index.php:13] Database error: Invalid SQL: select * from pwn_comment where pid='43628' and iffb='1' order by id limit 0,10
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='43628' and iffb='1' order by id limit 0,10) called at [D:\freehost\hzhfmfyz\web\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='43628' and iffb='1' order by id limit 0,10) called at [D:\freehost\hzhfmfyz\web\comment\module\CommentContent.php:167] #2 CommentContent() called at [D:\freehost\hzhfmfyz\web\includes\common.inc.php:518] #3 printpage() called at [D:\freehost\hzhfmfyz\web\comment\html\index.php:13] -化州市红峰茂发养殖有限公司
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发布于:2017-4-14 14:40:25  访问:185 次 回复: 篇
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Neodymium Magnets As Well As Their Uses
Neodymium magnets are the most favored rare-earth magnets. They are permanent magnets that are made from neodymium alloy, boron and iron to create a tetragonal crystalline structure. Permanent means that they could retain the magnetic properties over high periods of time constantly generating magnetic field from their surroundings.
These magnets are actually the strongest permanent magnet types available commercially and they have even replaced other magnet types in various application in making modern items that require the strength. Today there is a magnets in cordless tools as motors, fasteners and even in hard disks. Listed below are some of the common uses of neodymium magnet for sale manila magnets.
Health care industry uses - The neodymium magnets are used extensively for magno-therapy by medical practitioners and physiotherapists to lessen pain. They are also sold as medical devices to wear as shoe insertions, blankets and bracelets. They stabilize iron content and hemoglobin content in blood. They are also used in dentures regarding hold them together and in other corrective devices.
Iron industry uses - These magnets are used in iron industries, particularly in lifting huge iron materials from iron dust whereas the weaker magnets attract dust particles. In heavy manufacturing and engineering industries the magnets lift large ferrous items and are also used as magnetic separators.
Home uses - At home the neodymium magnets are used in a variety of ways, such as in creating door and drawer closures, fixing furniture and hanging pictures. Additionally they prove helpful in cleaning processes around the home such as when cleaning automatic washers and refrigerators or perhaps fish tanks.
Ornamental uses - The magnets have grown to be very common in jewelry. They affix to the skin and hold jewelry pieces without the need to pierce the skin.
Motor industry uses - This is an industry that seems to benefit most out of the neodymium magnets. They are used in magnetically coupled pumps, electric motors and generators as well as in bearings to supply relative motion with low friction without mechanical wear even at very high speeds. Anti-lock braking mechanism sensors also use these magnets.
Entertainment industry uses - With regards to the entertainment industry, the permanent magnets are used in audio equipment like speakers, microphones, headphones and acoustic pick-ups.
Other uses of the magnets include use as door catches in residential, commercial and public buildings, in difficult hard drives to record data, in MRI scanners, levitation devices, reed switches and print finishing. Fundamental essentials magnets that are also used in galleries and exhibitions to hold artwork as well as in shops and restaurants to carry together point of sale displays.
The neodymium magnets are preferred over artificial ones because:
· They don`t have an inclination of losing magnetic properties and they`re also corrosion and erosion free
· They naturally exist in our planet`s crust are therefore safe to be used; there are no known serious health hazards on adults and children
· They might be just a little expensive, but their benefits are enjoyable on the long time making the costs worthwhile
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